It was discovered that icu, the International Components for Unicodelibrary, did not correctly validate its input. An attacker could usethis problem to trigger an out-of-bound write through a heap-basedbuffer overflow, thus causing a denial of service via applicationcrash, or potential execution of arbitrary code.

For Debian 7 "Wheezy", these problems have been fixed in version4.8.1.1-12+deb7u7.

We recommend that you upgrade your icu packages.

Further information about Debian LTS security advisories, how to applythese updates to your system and frequently asked questions can befound at: https://wiki.debian.org/LTS